Microsoft 70-523

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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. You create classes by using LINQ to SQL based on the records shown in the exhibit. (Click the Exhibit button.) You need to create a LINQ query to retrieve a list of objects that contains the OrderID and CustomerID properties. You need to retrieve the total price amount of each Order record. What are two possible ways to achieve this goal (Each correct answer presents a complete solution. Choose two.)

A) from order in dataContext.Orders group order by order.OrderID into g join details in dataContext.Order_Details on g.Key equals details. OrderID select new { OrderID = details.OrderID, CustomerID = details.Order.CustomerID, TotalAmount = details.UnitPrice * details.Quantity }
B) dataContext.Orders.GroupJoin(dataContext.Order_Details, o => o.OrderID, d => d.OrderID, (ord, dts) => new { OrderID = ord.OrderID, CustomerID = ord.CustomerID, TotalAmount = dts.Sum(od => od. UnitPrice * od.Quantity) } )
C) dataContext.Order_Details.GroupJoin(dataContext.Orders, d => d.OrderID, o => o.OrderID, (dts, ord) => new { OrderID = dts.OrderID, CustomerID = dts.Order.CustomerID, TotalAmount = dts.UnitPrice * dts.Quantity } )
D) from details in dataContext.Order_Details group details by details.OrderID into g join order in dataContext.Orders on g.Key equals order.OrderID select new { OrderID = order.OrderID, CustomerID = order.CustomerID, TotalAmount = g.Sum(od => od.UnitPrice * od.Quantity) }

2. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use the ADO.NET Entity Data Model (EDM) to define a Customer entity. You need to add a new Customer to the data store without setting all the customer's properties. What should you do?

A) Call the CreateObject method of the Customer object.
B) Override the SaveChanges method for the Customer object.
C) Call the Create method of the Customer object.
D) Override the Create method for the Customer object.

3. You are troubleshooting an ASP.NET Web application. System administrators have recently expanded your
web farm from one to two servers. Users are periodically reporting an error message about invalid view
state.
You need to fix the problem.
What should you do?

A) Set viewStateEncryptionMode to Auto in web.config on both servers.
B) Set the machineKey in machine.config to the same value on both servers.
C) Change the session state mode to SQL Server on both servers and ensure both servers use the same connection string.
D) Override the SavePageStateToPersistenceMedium and LoadPageStateFromPersistenceMedium methods in the page base class to serialize the view state to a local web server file.

4. You create an ASP.NET MVC 2 Web application that contains the following controller class.
public class ProductController : Controller
{
static List<Product> products = new List<Product>();
public ActionResult Index()
{
return View();
}
}
In the Views folder of your application, you add a view page named Index.aspx that includes the following
@ Page directive.
<%@ Page Inherits="System.Web.Mvc.ViewPage" %>
You test the application with a browser. You receive the following error message when the Index method is
invoked: "The view 'Index' or its master was not found."
You need to resolve the error so that the new view is displayed when the Index method is invoked.
What should you do?

A) Create a folder named Product inside the Views folder. Move Index.aspx to the Product folder.
B) Replace the @ Page directive in Index.aspx with the following value. <%@ Page Inherits="System.Web.Mvc.ViewPage<Product>" %>
C) Change the name of the Index.aspx file to Product.aspx.
D) Modify the Index method by changing its signature to the following: public ActionResult Index(Product p)

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. The application uses DataContexts to query the database. You create a function that meets the following requirements: *Updates the Customer table on the database when a customer is marked as deleted. *Updates the related entries in other tables (CustomerAddress, CustomerContacts) by marking them as deleted. *Prevents consumer code from setting the Deleted column's value directly. You need to ensure that the function verifies that customers have no outstanding orders before they are marked as deleted. You also need to ensure that existing applications can use the updated function without requiring changes in the code. What should you do?

A) Override the Delete operation of the DataContext object.
B) Override the Update operation of the DataContext object.
C) Modify the SELECT SQL statement provided to the DataContext object to use an INNER JOIN between the Customer and Orders tables.
D) Add new entities to the DataContext object for the Customers and Orders tables.

Solutions: